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经营范围
发明名称
Purification of naphthalene
摘要
申请公布号
GB760054(A)
申请公布日期
1956.10.31
申请号
GB19540009142
申请日期
1954.03.29
申请人
YORKSHIRE TAR DISTILLERS LIMITED
发明人
MILNER DAVID WILLIAM
分类号
C07C5/10;C07C7/00;C07C7/148;C07C13/48
主分类号
C07C5/10
代理机构
代理人
主权项
地址
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